Finding the Fourth Proportional to 2,156.80, 2,975.52 and 1,566.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.80 : 2,975.52 = 1,566.04 : x
2. Step 2: Convert to fraction form
   2,156.80/2,975.52 = 1,566.04/x
3. Step 3: Cross multiply
   2,156.80x = 2,975.52 × 1,566.04
4. Step 4: Simplify right side
   2,156.80x = 4,659,783.34
5. Step 5: Solve for x
   x = 4,659,783.34/2,156.80
6. Step 6: Final answer
   x = 2,160.51